Shanghai: A Chinese C919 passenger takes off on its maiden flight at Pudong International Airport in Shanghai, Friday, May 5, 2017. The first large Chinese-made passenger jetliner on its maiden flight was a symbolic milestone in China's long-term goal to break into the Western-dominated aircraft market. (Image: AP/PTI)

Kiev: Armenia's Artsvik performs the song 'Fly With Me' during rehearsals for the Eurovision Song Contest, in Kiev, Ukraine, Friday, May 5, 2017. The first semi final of The Eurovision Song Contest 2017 will be held on May 9. (Image: AP/PTI)

New Delhi: President Pranab Mukherjee interacts with the family members of Giani Zail Singh, former president of India, after paying floral tributes at the his portrait on his birth anniversary at Rashtrapati Bhavan in New Delhi on Friday. (Image: PTI)

New Delhi: Nirbhaya's parents talk on phone at the Supreme Court in New Delhi on Friday. The apex court has confirmed death sentence for the four convicts of Nirbhaya gang rape case who raped and tortured the 23-year-old medical student on a moving bus in Delhi on her way home on Dec 16, 2012. (Image: PTI)

New Delhi: Mahila Congress members show bangles as they protest against the Modi-led NDA government in New Delhi on Friday over its alleged failure in checking cross-border terrorism in J & K and Naxal violence. (Image: PTI)